#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
using namespace std;

int main()
{
   /* class Solution {
    public:
        int waysToStep(int n) {
            if (n == 0)
                return 1;
            if (n == 1)
                return 1;
            if (n == 2)
                return 2;

            long a = 1, b = 1, c = 2;

            for (int i = 3; i <= n; ++i) {
                long current = (a + b + c) % 1000000007;
                a = b;
                b = c;
                c = current;
            }

            return c;
        }
    };*/

    cout << 1;

	return 0;
}